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| I have just had that same error come up and same symptoms on an 8120 with 2162 draper. My combine had been uodated to a pro700 last year and worked fine till last week. We ended up finding out the newest software is looking for 2 sensors in stead of 1 for some reason. The only way we could get around this problem and get it to cailbrate was to connect 2 wires together that goes to the R sensor. We did this on the backside of the plug on the header as to not change anything on the combine side. I wish I could tell you which wires you tie together but I had a good caseih tech out that did that part. It has worked perfect since and can hook back up to corn head with 4 sensors and works great there too. | |
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7120 flagship AHC feeder house sensor
